Overview
The STW12NK95Z is a high-voltage N-channel power MOSFET produced by STMicroelectronics. This device is part of ST's SuperMESH™ Power MOSFET family, known for its high performance and reliability in demanding applications. The STW12NK95Z is designed to offer extremely low on-resistance, high dv/dt capability, and robust avalanche characteristics, making it ideal for various power conversion and switching applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDS) | 900 | V |
| Gate-Source Voltage (VGS) | ±30 | V |
| Continuous Drain Current (ID) at TC = 25°C | 11 | A |
| Continuous Drain Current (ID) at TC = 100°C | 7 | A |
| Pulsed Drain Current (IDM) | 44 | A |
| Total Dissipation at TC = 25°C | 230 | W |
| Static Drain-Source On Resistance (RDS(on)) | 0.72 - 0.88 | Ω |
| Gate Threshold Voltage (VGS(th)) | 3 - 4.5 | V |
| Thermal Resistance Junction-Case (Rthj-case) | 0.54 | °C/W |
| Thermal Resistance Junction-Ambient (Rthj-amb) | 50 | °C/W |
| Maximum Operating Junction Temperature (Tj) | 150 | °C |
Key Features
- High voltage rating of 900 V, making it suitable for high-voltage applications.
- Extremely low on-resistance (RDS(on)) of 0.72 - 0.88 Ω, minimizing power losses.
- 100% avalanche tested, ensuring robustness against high-energy pulses.
- High dv/dt capability, suitable for demanding switching applications.
- Integrated Zener diodes for enhanced ESD protection and transient voltage absorption.
- Very low intrinsic capacitance and minimized gate charge.
- Good manufacturing repeatability and reliability.
Applications
- Flyback converters and other switching power supplies.
- LED lighting systems requiring high voltage and efficiency.
- Industrial power conversion and motor control systems.
- High-voltage DC-DC converters and inverters.
Q & A
- What is the maximum drain-source voltage of the STW12NK95Z?
The maximum drain-source voltage (VDS) is 900 V.
- What is the continuous drain current rating at 25°C?
The continuous drain current (ID) at 25°C is 11 A.
- What is the typical on-resistance of the STW12NK95Z?
The typical static drain-source on resistance (RDS(on)) is between 0.72 and 0.88 Ω.
- Does the STW12NK95Z have built-in ESD protection?
- What are the typical applications of the STW12NK95Z?
Typical applications include flyback converters, LED lighting systems, industrial power conversion, and high-voltage DC-DC converters.
- What is the maximum operating junction temperature of the STW12NK95Z?
The maximum operating junction temperature (Tj) is 150°C.
- Is the STW12NK95Z 100% avalanche tested?
- What is the thermal resistance junction-case of the STW12NK95Z?
The thermal resistance junction-case (Rthj-case) is 0.54 °C/W.
- What package type is the STW12NK95Z available in?
The STW12NK95Z is available in the TO-247 package.
- Is the STW12NK95Z still in production?
No, the STW12NK95Z is obsolete and no longer manufactured.
